Add isort and black to build-base container

Those tools will be used to improve Python code formatting. And use pip
to install them, so we can enforece the same package version on all
platforms.

Signed-off-by: Martin Perina <[email protected]>

build-scripts/build-push-containers.sh

@@ -20,6 +20,7 @@ function build(){
         buildah bud --tag "quay.io/bluechi/$IMAGE" \
             --manifest $IMAGE \
             --arch ${arch} \
+            --build-context root_dir=${SCRIPT_DIR}/.. \
             ${CONTAINER_FILE_DIR}/${IMAGE}
     done
 }

requirements.txt

@@ -0,0 +1,7 @@
+# NOTE: build-base container image needs to be rebuilt after changing this file!
+
+# Try to keep linter package versions aligned with latest Fedora RPM versions
+black==24.1.1
+flake8==6.0.0
+isort==5.13.2
+

tests/containers/build-base

@@ -22,8 +22,8 @@ RUN dnf install -y dnf-plugin-config-manager && \
         lcov \
         make \
         meson \
-        python3-flake8 \
         python3-html2text \
+        python3-pip \
         rpm-build \
         sed \
         selinux-policy-devel \
@@ -32,3 +32,10 @@ RUN dnf install -y dnf-plugin-config-manager && \
         valgrind \
     -y && \
     dnf -y clean all
+
+# Install python dependencies
+COPY --from=root_dir requirements.txt .
+RUN python3 -m venv /opt/bluechi-env && \
+    . /opt/bluechi-env/bin/activate && \
+    pip install -r requirements.txt && \
+    deactivate